exp10_prelab

exp10_prelab - Experiment 10: Experimenting With Gas Laws...

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Experiment 10: Experimenting With Gas Laws
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Learning Objectives z Ideal Gas Law z PV = nRT z Examine two relationships: z Boyle s Law Pressure and Volume z Gay-Lussac s Law Pressure and Temperature z Determine Gas Constant (R) z Determine Absolute Zero
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Gases z High energy z Move in a rapid, random and chaotic fashion z Occupy a volume (i.e. balloon) z Ideal Gas Molecules in the gas phase exert no forces on one another between collisions z Air is NOT an ideal gas!
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The Ideal Gas Law z Boyle s Law: z P 1 V 1 = P 2 V 2 z Charles Law: z V 1 /T 1 = V 2 /T 2 z Avogadro s Law: z V 1 /n 1 = V 2 /n 2 z Gay-Lussac s Law: z P 1 /T 1 = P 2 /T 2 z 1 mol of gas occupies 22.414 L at 1 atm and 273 K (STP) z PV = nRT z P = pressure (atm) z V = volume (L) z n = quantity (mol) z T = temperature (K) z R = gas constant z = 0.0821 z = 8.315 K mol atm L K mol J
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Direct Relationship z y α x z y is directly proportional to x z x = independent variable z y = dependent variable
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This note was uploaded on 03/19/2008 for the course CHEM 102 taught by Professor Todd during the Spring '08 term at UNC.

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exp10_prelab - Experiment 10: Experimenting With Gas Laws...

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